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Permitted20/6294/HSESubmitted 5 years agoRear extension

48 Northumberland Road London Borough of Barnet EN5 1ED

Single storey rear extension and associated access steps following the demolition of an existing rear conservatory. Conversion of the existing garage into habitable room, insertion of window to replace the existing garage door (AMENDED DESCRIPTION)

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Progress

Submitted
31 Dec 2020
— completed
Validated
31 Dec 2020
— completed
Consultation
—
— completed
Target date
25 Feb 2021
— completed
Decided
26 Apr 2021
— completed

Application details

Reference
20/6294/HSE
Local authority
Barnet
Postcode
EN5 1ED
Ward
OA
Application type
Householder
Property type
House

Key dates

Submitted
31 Dec 2020
Validated
31 Dec 2020
Target decision
25 Feb 2021
Decided
26 Apr 2021

Estimated project value

£115k–£190k

Based on the 51.0m² of floor area stated in the application, at outer London rates (2026). Source: FMB / Checkatrade 2026, single-storey extension £1,800-£3,000/m².

Floor area gained: 51m² · 1 additional bedrooms

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 2 recent sales are listed below.

Homes here go for about £1,200,000 — the median of the last 7 market sales in EN5 1ED, £476,000 to £2,425,000.

Contains HM Land Registry data © Crown copyright and database right 2025. This data is licensed under the Open Government Licence v3.0. Sales are matched by postcode, not by property, so a sale listed here may be a neighbouring address. England and Wales only.

Planning constraints

No designations recorded at this location. This is not a formal search — always confirm with the local authority before relying on it.

Designations from planning.data.gov.uk, Open Government Licence v3.0. Indicative only — not a formal local authority search.

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